2980278 has 72 divisors (see below), whose sum is σ = 7824960. Its totient is φ = 816480.

The previous prime is 2980261. The next prime is 2980291. The reversal of 2980278 is 8720892.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27288 + ... + 27396.

It is an arithmetic number, because the mean of its divisors is an integer number (108680).

2^2980278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2980278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3912480).

2980278 is an abundant number, since it is smaller than the sum of its proper divisors (4844682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2980278 is a wasteful number, since it uses less digits than its factorization.

2980278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2980278 is about 1726.3481688234. The cubic root of 2980278 is about 143.9082169745.

The spelling of 2980278 in words is "two million, nine hundred eighty thousand, two hundred seventy-eight".